package cs235.hash;

import java.util.Collection;
import java.util.Set;

public abstract class NotImplemented implements Set {
    

    
    @Override
    public Object[] toArray(Object[] a) {
        throw new UnsupportedOperationException();
    }
    
    

    @Override
    public boolean containsAll(Collection c) {
        throw new UnsupportedOperationException();
    }

    @Override
    public boolean addAll(Collection c) {
        throw new UnsupportedOperationException();
    }

    @Override
    public boolean retainAll(Collection c) {
        throw new UnsupportedOperationException();
    }

    @Override
    public boolean removeAll(Collection c) {
        throw new UnsupportedOperationException();
    }

}
